listen yes dist is important . but however check your ia valve also wiring maybe a little diffrent. i had the same prob went fom d16y7 to d16y8 and had real rough idle as well but hey i played with ia valve in intake and wallaw !!! idles well. hope to help you and check wiring diagram on haynes...
please if anyone knows of any sites or has a diagram of p2p ex ecu 96-00 send me info can't find any anywhere. need to know where to add pins for oil pressure and vtec wire
97 civic dx to ex swap now d16y8
[B][FONT=Optima][SIZE=7][COLOR=blue]Listen man, like crx-yem said you are gonna have to explain a little more about cash. My choice obd2 B16 series isn't even a bad idea. well hope u r in good luck with everything.